Washington State wide receiver Marquess Wilson was suspended from the team for unspecified reasons, the Spokesman-Review reported Monday.
A Washington State spokesman confirmed to the newspaper Monday that Wilson was indefinitely suspended by coach Mike Leach but gave no reason for the discipline.
NBC Sports' College Football Talk reported that rumors have floated that Wilson walked out of a conditioning workout Sunday and speculated that he subsequently quit the team.
Wilson leads the Cougars with 52 catches for 813 yards with five touchdowns.
Washington State (2-7) has lost six straight games. It hosts No. 18 BCS-ranked UCLA (7-2) on Saturday night.